package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;
    
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category:{}",category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分页回显数据
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //添加分页构造器
        Page pageInfo = new Page(page, pageSize);
        //添加条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.orderByAsc(Category::getSort);
        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 根据id删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类,id为:{}",id);
//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 修改功能
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息:{}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //创建条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加条件,第一个参数为true才会执行eq方法
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }
}
